def bounce_message(mlist, msg, error=None):
"""Bounce the message back to the original author.
:param mlist: The mailing list that the message was posted to.
:type mlist: `IMailingList`
:param msg: The original message.
:type msg: `email.message.Message`
:param error: Optional exception causing the bounce. The exception
instance must have a `.message` attribute.
:type error: Exception
"""
# Bounce a message back to the sender, with an error message if provided
# in the exception argument. .sender might be None or the empty string.
if not msg.sender:
# We can't bounce the message if we don't know who it's supposed to go
# to.
return
subject = msg.get('subject', _('(no subject)'))
subject = oneline(subject, mlist.preferred_language.charset)
if error is None:
notice = _('[No bounce details are available]')
else:
notice = _(error.message)
# Currently we always craft bounces as MIME messages.
bmsg = UserNotification(msg.sender, mlist.owner_address, subject,
lang=mlist.preferred_language)
# BAW: Be sure you set the type before trying to attach, or you'll get
# a MultipartConversionError.
bmsg.set_type('multipart/mixed')
txt = MIMEText(notice, _charset=mlist.preferred_language.charset)
bmsg.attach(txt)
bmsg.attach(MIMEMessage(msg))
bmsg.send(mlist)
def bounce_message(mlist, msg, error=None):
"""Bounce the message back to the original author.
:param mlist: The mailing list that the message was posted to.
:type mlist: `IMailingList`
:param msg: The original message.
:type msg: `email.message.Message`
:param error: Optional exception causing the bounce. The exception
instance must have a `.message` attribute.
:type error: Exception
"""
# Bounce a message back to the sender, with an error message if provided
# in the exception argument. .sender might be None or the empty string.
if not msg.sender:
# We can't bounce the message if we don't know who it's supposed to go
# to.
return
subject = msg.get('subject', _('(no subject)'))
subject = oneline(subject, mlist.preferred_language.charset)
if error is None:
notice = _('[No bounce details are available]')
else:
notice = _(error.message)
# Currently we always craft bounces as MIME messages.
bmsg = UserNotification(msg.sender, mlist.owner_address, subject,
lang=mlist.preferred_language)
# BAW: Be sure you set the type before trying to attach, or you'll get
# a MultipartConversionError.
bmsg.set_type('multipart/mixed')
txt = MIMEText(notice, _charset=mlist.preferred_language.charset)
bmsg.attach(txt)
bmsg.attach(MIMEMessage(msg))
bmsg.send(mlist)
def send_probe(member, msg):
"""Send a VERP probe to the member.
:param member: The member to send the probe to. From this object, both
the user and the mailing list can be determined.
:type member: IMember
:param msg: The bouncing message that caused the probe to be sent.
:type msg:
:return: The token representing this probe in the pendings database.
:rtype: string
"""
mlist = getUtility(IListManager).get_by_list_id(
member.mailing_list.list_id)
text = make(
'probe.txt',
mlist,
member.preferred_language.code,
listname=mlist.fqdn_listname,
address=member.address.email,
optionsurl=member.options_url,
owneraddr=mlist.owner_address,
)
message_id = msg['message-id']
if isinstance(message_id, bytes):
message_id = message_id.decode('ascii')
pendable = _ProbePendable(
# We can only pend unicodes.
member_id=member.member_id.hex,
message_id=message_id,
)
token = getUtility(IPendings).add(pendable)
mailbox, domain_parts = split_email(mlist.bounces_address)
probe_sender = Template(config.mta.verp_probe_format).safe_substitute(
bounces=mailbox,
token=token,
domain=DOT.join(domain_parts),
)
# Calculate the Subject header, in the member's preferred language.
with _.using(member.preferred_language.code):
subject = _('$mlist.display_name mailing list probe message')
# Craft the probe message. This will be a multipart where the first part
# is the probe text and the second part is the message that caused this
# probe to be sent.
probe = UserNotification(member.address.email,
probe_sender,
subject,
lang=member.preferred_language)
probe.set_type('multipart/mixed')
notice = MIMEText(text, _charset=mlist.preferred_language.charset)
probe.attach(notice)
probe.attach(MIMEMessage(msg))
# Probes should not have the Precedence: bulk header.
probe.send(mlist,
envsender=probe_sender,
verp=False,
probe_token=token,
add_precedence=False)
return token
def send_probe(member, msg):
"""Send a VERP probe to the member.
:param member: The member to send the probe to. From this object, both
the user and the mailing list can be determined.
:type member: IMember
:param msg: The bouncing message that caused the probe to be sent.
:type msg:
:return: The token representing this probe in the pendings database.
:rtype: string
"""
mlist = getUtility(IListManager).get_by_list_id(
member.mailing_list.list_id)
text = make('probe.txt', mlist, member.preferred_language.code,
listname=mlist.fqdn_listname,
address=member.address.email,
optionsurl=member.options_url,
owneraddr=mlist.owner_address,
)
message_id = msg['message-id']
if isinstance(message_id, bytes):
message_id = message_id.decode('ascii')
pendable = _ProbePendable(
# We can only pend unicodes.
member_id=member.member_id.hex,
message_id=message_id,
)
token = getUtility(IPendings).add(pendable)
mailbox, domain_parts = split_email(mlist.bounces_address)
probe_sender = Template(config.mta.verp_probe_format).safe_substitute(
bounces=mailbox,
token=token,
domain=DOT.join(domain_parts),
)
# Calculate the Subject header, in the member's preferred language.
with _.using(member.preferred_language.code):
subject = _('$mlist.display_name mailing list probe message')
# Craft the probe message. This will be a multipart where the first part
# is the probe text and the second part is the message that caused this
# probe to be sent.
probe = UserNotification(member.address.email, probe_sender,
subject, lang=member.preferred_language)
probe.set_type('multipart/mixed')
notice = MIMEText(text, _charset=mlist.preferred_language.charset)
probe.attach(notice)
probe.attach(MIMEMessage(msg))
# Probes should not have the Precedence: bulk header.
probe.send(mlist, envsender=probe_sender, verp=False, probe_token=token,
add_precedence=False)
return token
def bounce_message(mlist, msg, error=None):
"""Bounce the message back to the original author.
:param mlist: The mailing list that the message was posted to.
:type mlist: `IMailingList`
:param msg: The original message.
:type msg: `email.message.Message`
:param error: Optional exception causing the bounce. The exception
instance must have a `.message` attribute. The exception *may* have a
non-None `.reasons` attribute which would be a list of reasons for the
rejection, and it may have a non-None `.substitutions` attribute. The
latter, along with the formatted reasons will be interpolated into the
message (`.reasons` gets put into the `$reasons` placeholder).
:type error: RejectMessage
"""
# Bounce a message back to the sender, with an error message if provided
# in the exception argument. .sender might be None or the empty string.
if not msg.sender:
# We can't bounce the message if we don't know who it's supposed to go
# to.
return
subject = msg.get('subject', _('(no subject)'))
subject = oneline(subject, mlist.preferred_language.charset)
notice = (_('[No bounce details are available]')
if error is None else str(error))
# Currently we always craft bounces as MIME messages.
bmsg = UserNotification(msg.sender,
mlist.owner_address,
subject,
lang=mlist.preferred_language)
# BAW: Be sure you set the type before trying to attach, or you'll get
# a MultipartConversionError.
bmsg.set_type('multipart/mixed')
txt = MIMEText(notice, _charset=mlist.preferred_language.charset)
bmsg.attach(txt)
bmsg.attach(MIMEMessage(msg))
bmsg.send(mlist)
def handle_message(mlist, id, action,
comment=None, preserve=False, forward=None):
message_store = getUtility(IMessageStore)
requestdb = IListRequests(mlist)
key, msgdata = requestdb.get_request(id)
# Handle the action.
rejection = None
message_id = msgdata['_mod_message_id']
sender = msgdata['_mod_sender']
subject = msgdata['_mod_subject']
if action in (Action.defer, Action.hold):
# Nothing to do, but preserve the message for later.
preserve = True
elif action is Action.discard:
rejection = 'Discarded'
elif action is Action.reject:
rejection = 'Refused'
member = mlist.members.get_member(sender)
if member:
language = member.preferred_language
else:
language = None
_refuse(mlist, _('Posting of your message titled "$subject"'),
sender, comment or _('[No reason given]'), language)
elif action is Action.accept:
# Start by getting the message from the message store.
msg = message_store.get_message_by_id(message_id)
# Delete moderation-specific entries from the message metadata.
for key in msgdata.keys():
if key.startswith('_mod_'):
del msgdata[key]
# Add some metadata to indicate this message has now been approved.
msgdata['approved'] = True
msgdata['moderator_approved'] = True
# Calculate a new filebase for the approved message, otherwise
# delivery errors will cause duplicates.
if 'filebase' in msgdata:
del msgdata['filebase']
# Queue the file for delivery. Trying to deliver the message directly
# here can lead to a huge delay in web turnaround. Log the moderation
# and add a header.
msg['X-Mailman-Approved-At'] = formatdate(
time.mktime(now().timetuple()), localtime=True)
vlog.info('held message approved, message-id: %s',
msg.get('message-id', 'n/a'))
# Stick the message back in the incoming queue for further
# processing.
config.switchboards['pipeline'].enqueue(msg, _metadata=msgdata)
else:
raise AssertionError('Unexpected action: {0}'.format(action))
# Forward the message.
if forward:
# Get a copy of the original message from the message store.
msg = message_store.get_message_by_id(message_id)
# It's possible the forwarding address list is a comma separated list
# of display_name/address pairs.
addresses = [addr[1] for addr in getaddresses(forward)]
language = mlist.preferred_language
if len(addresses) == 1:
# If the address getting the forwarded message is a member of
# the list, we want the headers of the outer message to be
# encoded in their language. Otherwise it'll be the preferred
# language of the mailing list. This is better than sending a
# separate message per recipient.
member = mlist.members.get_member(addresses[0])
if member:
language = member.preferred_language
with _.using(language.code):
fmsg = UserNotification(
addresses, mlist.bounces_address,
_('Forward of moderated message'),
lang=language)
fmsg.set_type('message/rfc822')
fmsg.attach(msg)
fmsg.send(mlist)
# Delete the message from the message store if it is not being preserved.
if not preserve:
message_store.delete_message(message_id)
requestdb.delete_request(id)
# Log the rejection
if rejection:
note = """%s: %s posting:
\tFrom: %s
\tSubject: %s"""
if comment:
note += '\n\tReason: ' + comment
vlog.info(note, mlist.fqdn_listname, rejection, sender, subject)
def handle_message(mlist, id, action, comment=None, forward=None):
message_store = getUtility(IMessageStore)
requestdb = IListRequests(mlist)
key, msgdata = requestdb.get_request(id)
# Handle the action.
rejection = None
message_id = msgdata['_mod_message_id']
sender = msgdata['_mod_sender']
subject = msgdata['_mod_subject']
keep = False
if action in (Action.defer, Action.hold):
# Nothing to do, but preserve the message for later.
keep = True
elif action is Action.discard:
rejection = 'Discarded'
elif action is Action.reject:
rejection = 'Refused'
member = mlist.members.get_member(sender)
if member:
language = member.preferred_language
else:
language = None
send_rejection(
mlist, _('Posting of your message titled "$subject"'),
sender, comment or _('[No reason given]'), language)
elif action is Action.accept:
# Start by getting the message from the message store.
msg = message_store.get_message_by_id(message_id)
# Delete moderation-specific entries from the message metadata.
for key in list(msgdata):
if key.startswith('_mod_'):
del msgdata[key]
# Add some metadata to indicate this message has now been approved.
msgdata['approved'] = True
msgdata['moderator_approved'] = True
# Calculate a new filebase for the approved message, otherwise
# delivery errors will cause duplicates.
if 'filebase' in msgdata:
del msgdata['filebase']
# Queue the file for delivery. Trying to deliver the message directly
# here can lead to a huge delay in web turnaround. Log the moderation
# and add a header.
msg['X-Mailman-Approved-At'] = formatdate(
time.mktime(now().timetuple()), localtime=True)
vlog.info('held message approved, message-id: %s',
msg.get('message-id', 'n/a'))
# Stick the message back in the incoming queue for further
# processing.
config.switchboards['pipeline'].enqueue(msg, _metadata=msgdata)
else:
raise AssertionError('Unexpected action: {0}'.format(action))
# Forward the message.
if forward:
# Get a copy of the original message from the message store.
msg = message_store.get_message_by_id(message_id)
# It's possible the forwarding address list is a comma separated list
# of display_name/address pairs.
addresses = [addr[1] for addr in getaddresses(forward)]
language = mlist.preferred_language
if len(addresses) == 1:
# If the address getting the forwarded message is a member of
# the list, we want the headers of the outer message to be
# encoded in their language. Otherwise it'll be the preferred
# language of the mailing list. This is better than sending a
# separate message per recipient.
member = mlist.members.get_member(addresses[0])
if member:
language = member.preferred_language
with _.using(language.code):
fmsg = UserNotification(
addresses, mlist.bounces_address,
_('Forward of moderated message'),
lang=language)
fmsg.set_type('message/rfc822')
fmsg.attach(msg)
fmsg.send(mlist)
# Delete the request if it's not being kept.
if not keep:
requestdb.delete_request(id)
# Log the rejection
if rejection:
note = """%s: %s posting:
\tFrom: %s
\tSubject: %s"""
if comment:
note += '\n\tReason: ' + comment
vlog.info(note, mlist.fqdn_listname, rejection, sender, subject)
def _process(self, mlist, msg, msgdata):
"""See `TerminalChainBase`."""
# Start by decorating the message with a header that contains a list
# of all the rules that matched. These metadata could be None or an
# empty list.
rule_hits = msgdata.get('rule_hits')
if rule_hits:
msg['X-Mailman-Rule-Hits'] = SEMISPACE.join(rule_hits)
rule_misses = msgdata.get('rule_misses')
if rule_misses:
msg['X-Mailman-Rule-Misses'] = SEMISPACE.join(rule_misses)
# Hold the message by adding it to the list's request database.
request_id = hold_message(mlist, msg, msgdata, None)
# Calculate a confirmation token to send to the author of the
# message.
pendable = HeldMessagePendable(type=HeldMessagePendable.PEND_KEY,
id=request_id)
token = getUtility(IPendings).add(pendable)
# Get the language to send the response in. If the sender is a
# member, then send it in the member's language, otherwise send it in
# the mailing list's preferred language.
member = mlist.members.get_member(msg.sender)
language = (member.preferred_language
if member else mlist.preferred_language)
# A substitution dictionary for the email templates.
charset = mlist.preferred_language.charset
original_subject = msg.get('subject')
if original_subject is None:
original_subject = _('(no subject)')
else:
original_subject = oneline(original_subject, in_unicode=True)
substitutions = dict(
listname = mlist.fqdn_listname,
subject = original_subject,
sender = msg.sender,
reasons = _compose_reasons(msgdata),
)
# At this point the message is held, but now we have to craft at least
# two responses. The first will go to the original author of the
# message and it will contain the token allowing them to approve or
# discard the message. The second one will go to the moderators of
# the mailing list, if the list is so configured.
#
# Start by possibly sending a response to the message author. There
# are several reasons why we might not go through with this. If the
# message was gated from NNTP, the author may not even know about this
# list, so don't spam them. If the author specifically requested that
# acknowledgments not be sent, or if the message was bulk email, then
# we do not send the response. It's also possible that either the
# mailing list, or the author (if they are a member) have been
# configured to not send such responses.
if (not msgdata.get('fromusenet') and
can_acknowledge(msg) and
mlist.respond_to_post_requests and
autorespond_to_sender(mlist, msg.sender, language)):
# We can respond to the sender with a message indicating their
# posting was held.
subject = _(
'Your message to $mlist.fqdn_listname awaits moderator approval')
send_language_code = msgdata.get('lang', language.code)
text = make('postheld.txt',
mailing_list=mlist,
language=send_language_code,
**substitutions)
adminaddr = mlist.bounces_address
nmsg = UserNotification(
msg.sender, adminaddr, subject, text,
getUtility(ILanguageManager)[send_language_code])
nmsg.send(mlist)
# Now the message for the list moderators. This one should appear to
# come from <list>-owner since we really don't need to do bounce
# processing on it.
if mlist.admin_immed_notify:
# Now let's temporarily set the language context to that which the
# administrators are expecting.
with _.using(mlist.preferred_language.code):
language = mlist.preferred_language
charset = language.charset
substitutions['subject'] = original_subject
# We need to regenerate or re-translate a few values in the
# substitution dictionary.
substitutions['reasons'] = _compose_reasons(msgdata, 55)
# craft the admin notification message and deliver it
subject = _(
'$mlist.fqdn_listname post from $msg.sender requires '
'approval')
nmsg = UserNotification(mlist.owner_address,
mlist.owner_address,
subject, lang=language)
nmsg.set_type('multipart/mixed')
text = MIMEText(make('postauth.txt',
mailing_list=mlist,
wrap=False,
**substitutions),
_charset=charset)
dmsg = MIMEText(wrap(_("""\
If you reply to this message, keeping the Subject: header intact, Mailman will
discard the held message. Do this if the message is spam. If you reply to
this message and include an Approved: header with the list password in it, the
message will be approved for posting to the list. The Approved: header can
also appear in the first line of the body of the reply.""")),
_charset=language.charset)
dmsg['Subject'] = 'confirm ' + token
dmsg['From'] = mlist.request_address
dmsg['Date'] = formatdate(localtime=True)
dmsg['Message-ID'] = make_msgid()
nmsg.attach(text)
nmsg.attach(MIMEMessage(msg))
nmsg.attach(MIMEMessage(dmsg))
nmsg.send(mlist, **dict(tomoderators=True))
# Log the held message. Log messages are not translated, so recast
# the reasons in the English.
with _.using('en'):
reasons = _compose_reasons(msgdata)
log.info('HOLD: %s post from %s held, message-id=%s: %s',
mlist.fqdn_listname, msg.sender,
msg.get('message-id', 'n/a'), SEMISPACE.join(reasons))
notify(HoldEvent(mlist, msg, msgdata, self))
def _process(self, mlist, msg, msgdata):
"""See `TerminalChainBase`."""
# Start by decorating the message with a header that contains a list
# of all the rules that matched. These metadata could be None or an
# empty list.
rule_hits = msgdata.get('rule_hits')
if rule_hits:
msg['X-Mailman-Rule-Hits'] = SEMISPACE.join(rule_hits)
rule_misses = msgdata.get('rule_misses')
if rule_misses:
msg['X-Mailman-Rule-Misses'] = SEMISPACE.join(rule_misses)
# Hold the message by adding it to the list's request database.
request_id = hold_message(mlist, msg, msgdata, None)
# Calculate a confirmation token to send to the author of the
# message.
pendable = HeldMessagePendable(id=request_id)
token = getUtility(IPendings).add(pendable)
# Get the language to send the response in. If the sender is a
# member, then send it in the member's language, otherwise send it in
# the mailing list's preferred language.
member = mlist.members.get_member(msg.sender)
language = (member.preferred_language
if member else mlist.preferred_language)
# A substitution dictionary for the email templates.
charset = mlist.preferred_language.charset
original_subject = msg.get('subject')
if original_subject is None:
original_subject = _('(no subject)')
else:
# This must be encoded to the mailing list's perferred charset,
# ignoring incompatible characters, otherwise when creating the
# notification messages, we could get a Unicode error.
oneline_subject = oneline(original_subject, in_unicode=True)
bytes_subject = oneline_subject.encode(charset, 'replace')
original_subject = bytes_subject.decode(charset)
substitutions = dict(
subject=original_subject,
sender_email=msg.sender,
reasons=_compose_reasons(msgdata),
# For backward compatibility.
sender=msg.sender,
)
# At this point the message is held, but now we have to craft at least
# two responses. The first will go to the original author of the
# message and it will contain the token allowing them to approve or
# discard the message. The second one will go to the moderators of
# the mailing list, if the list is so configured.
#
# Start by possibly sending a response to the message author. There
# are several reasons why we might not go through with this. If the
# message was gated from NNTP, the author may not even know about this
# list, so don't spam them. If the author specifically requested that
# acknowledgments not be sent, or if the message was bulk email, then
# we do not send the response. It's also possible that either the
# mailing list, or the author (if they are a member) have been
# configured to not send such responses.
if (not msgdata.get('fromusenet') and
can_acknowledge(msg) and
mlist.respond_to_post_requests and
autorespond_to_sender(mlist, msg.sender, language)):
# We can respond to the sender with a message indicating their
# posting was held.
subject = _(
'Your message to $mlist.fqdn_listname awaits moderator approval')
send_language_code = msgdata.get('lang', language.code)
template = getUtility(ITemplateLoader).get(
'list:user:notice:hold', mlist,
language=send_language_code)
text = wrap(expand(template, mlist, dict(
language=send_language_code,
**substitutions)))
adminaddr = mlist.bounces_address
nmsg = UserNotification(
msg.sender, adminaddr, subject, text,
getUtility(ILanguageManager)[send_language_code])
nmsg.send(mlist)
# Now the message for the list moderators. This one should appear to
# come from <list>-owner since we really don't need to do bounce
# processing on it.
if mlist.admin_immed_notify:
# Now let's temporarily set the language context to that which the
# administrators are expecting.
with _.using(mlist.preferred_language.code):
language = mlist.preferred_language
charset = language.charset
substitutions['subject'] = original_subject
# We need to regenerate or re-translate a few values in the
# substitution dictionary.
substitutions['reasons'] = _compose_reasons(msgdata, 55)
# craft the admin notification message and deliver it
subject = _(
'$mlist.fqdn_listname post from $msg.sender requires '
'approval')
nmsg = UserNotification(mlist.owner_address,
mlist.owner_address,
subject, lang=language)
nmsg.set_type('multipart/mixed')
template = getUtility(ITemplateLoader).get(
'list:admin:action:post', mlist)
text = MIMEText(expand(template, mlist, substitutions),
_charset=charset)
dmsg = MIMEText(wrap(_("""\
If you reply to this message, keeping the Subject: header intact, Mailman will
discard the held message. Do this if the message is spam. If you reply to
this message and include an Approved: header with the list password in it, the
message will be approved for posting to the list. The Approved: header can
also appear in the first line of the body of the reply.""")),
_charset=language.charset)
dmsg['Subject'] = 'confirm ' + token
dmsg['From'] = mlist.request_address
dmsg['Date'] = formatdate(localtime=True)
dmsg['Message-ID'] = make_msgid()
nmsg.attach(text)
nmsg.attach(MIMEMessage(msg))
nmsg.attach(MIMEMessage(dmsg))
nmsg.send(mlist, **dict(tomoderators=True))
# Log the held message. Log messages are not translated, so recast
# the reasons in the English.
with _.using('en'):
reasons = msgdata.get('moderation_reasons', ['N/A'])
log.info('HOLD: %s post from %s held, message-id=%s: %s',
mlist.fqdn_listname, msg.sender,
msg.get('message-id', 'n/a'), SEMISPACE.join(reasons))
notify(HoldEvent(mlist, msg, msgdata, self))
def send_probe(member, msg=None, message_id=None):
"""Send a VERP probe to the member.
:param member: The member to send the probe to. From this object, both
the user and the mailing list can be determined.
:type member: IMember
:param msg: The bouncing message that caused the probe to be sent.
:type msg:
:param message_id: MessageID of the bouncing message.
:type message_id: str
:return: The token representing this probe in the pendings database.
:rtype: string
"""
if (message_id or msg) is None:
raise ValueError('Required at least one of "message_id" and "msg".')
mlist = getUtility(IListManager).get_by_list_id(
member.mailing_list.list_id)
template = getUtility(ITemplateLoader).get(
'list:user:notice:probe', mlist,
language=member.preferred_language.code,
# For backward compatibility.
code=member.preferred_language.code,
)
text = wrap(expand(template, mlist, dict(
sender_email=member.address.email,
# For backward compatibility.
address=member.address.email,
email=member.address.email,
owneraddr=mlist.owner_address,
)))
if message_id is None:
message_id = msg['message-id']
if isinstance(message_id, bytes):
message_id = message_id.decode('ascii')
pendable = _ProbePendable(
# We can only pend unicodes.
member_id=member.member_id.hex,
message_id=message_id,
)
token = getUtility(IPendings).add(pendable)
mailbox, domain_parts = split_email(mlist.bounces_address)
probe_sender = Template(config.mta.verp_probe_format).safe_substitute(
bounces=mailbox,
token=token,
domain=DOT.join(domain_parts),
)
# Calculate the Subject header, in the member's preferred language.
with _.using(member.preferred_language.code):
subject = _('$mlist.display_name mailing list probe message')
# Craft the probe message. This will be a multipart where the first part
# is the probe text and the second part is the message that caused this
# probe to be sent, if it provied.
probe = UserNotification(member.address.email, probe_sender,
subject, lang=member.preferred_language)
probe.set_type('multipart/mixed')
notice = MIMEText(text, _charset=member.preferred_language.charset)
probe.attach(notice)
if msg is not None:
probe.attach(MIMEMessage(msg))
# Probes should not have the Precedence: bulk header.
probe.send(mlist, sender=probe_sender, verp=False, probe_token=token,
add_precedence=False)
# When we send a probe, we reset the score.
member.bounce_score = 0
return token
